安装centos官方软件库scl 以安装php7为例子,scl-utils-build为scl命令，修改PATH：/etc/environment yum install centos-release-scl-rh yum install scl-utils-build yum search php yum install rh-php71 查看已安装的软件 scl -l 执行命令 scl enable rh-php70 “php -v” scl enable rh-php70 bash php -v find /home -iname "*.txt" php –v -i -m -ini php -f hello.php http://justcoding.iteye.com/blog/1939123 yum list installed php yum search php rpm -qa | grep subversion rpm -ql subversion-1.6.11-10.el6_5.x86_64 ps aux –sort -rss（VSZ (total am....